Horseshoe-blank



(No Model.)

P. F. GREENWOOD.

HORSESHOE BLANK.

No. 379.779. Patented Mar. 20', 8.

FIG/.15.

Wdtms as I 1000771301;

Peter I. fir'wnwoow, 87wv by 7105 ulbfiarws UNITED STATES PATENT OFFICE.

PETER F. GREEN\VOOD, OF PHILADELPHIA, PENNSYLVANIA.

HORSESHOE-BLANK.

SPECIFICATION forming part of Letters Patent No. 379,779, dated March20, 1888.

Application filed January 16, 1888. Serial No. 260,873; (No model.)

To aZZ whom it may concern:

Be it known that 1, PETER F. GREENWOOD, a citizen of the United States,and a resident of Philadelphia, Pennsylvania, have invented certainImprovements in Horseshoe-Blanks, of which the following is aspecification.

My invention relates to the manufacture by machinery of the class ofhorseshoes known as forged shoes.

One object of my invention is to so form the blank, preferably byrolling, that the side of the shoe will not be depressed below thesurface when the nail holes and creases are formed, a further objectbeing to so form the blank that the shoe forged therefrom will have alow front calk and large heel-calks. These objects I attain as describedhereinafter, reference being bad to the accompanying drawings, in whichFigure 1 is a perspective view of the blank for the shoe. Fig.Zillustrates the blank bent into form. Fig. 3 illustrates the blankafter being forged into shape. Fig. 4 is a perspec tive view of thefinished shoe. Fig. 5 is a transverse section on the line 1 2, Fig. 2;and Fig. 6 is a transverse section on the line 3 4, Fig. 4.

Ais the blank from which the shoe is formed, this blank being preferablyproduced by rolling a long strip of the proper shape and then cuttingsaid strip into suitable lengths forthe blanks. The blank has a eentrelswell, a, as shown in Fig. 1, to form the toe-calk, this swell beingpreferably rounded on top and merging at each end into the flat face ofthe blank. Along the outer edge of the blank, and extending from theswell a toward the ends of the blank, is a tapered rib, (1, straight onthe out side and beveled on the inside. Usually in making drop-forgedshoes the portions b Z) of the blank are rolled plain, so that when thedies press the creases andnail-holes in the shoe they draw down withthem the metal out-. side of the creases, thus forming a ragged stripoutside the nail-holes and creases. This defect I overcome by formingthe rib d on the blank, for when the side creases and nailholes areformed in my improved blank the upper dies will strike the rib (Z andcarry it down into the body of the shoe, thus making a firm andstraightedge on the outside of the shoe beyond the creases. as shown inFig. 3, the metal of the rib being utilized for this purpose.

At each end of the blank A are formed pro jections e e, which, when theshoe is forged, form the heel-calks of said shoe, although in some casesthe heel-calks and toe-calk may be dispensed with.

The blank A is bent first to the form shown in Fig. 2, then dropforged,as shown in Fig. 3, giving form to the toe-calk and heel-calks, creasingthe shoe and punching the nail-holes, and the blank is finally trimmed,as shown in Fig. 4, by a suitable cutting-die.

It Wlll be noticed on reference to Fig. 4 that the toe-call: is not ashigh asthe heelcalks, but is broad and has opposite flaring sides, thusgiving the shoe a broad flat bearing-surface at the toe.

I claim as-my invention-- 1. A horseshoe-blank having ribs (1 d at thepoints where the nail-holes and creases are to be formed, whereby whenthe blank is forged into a shoe the metal of the ribs will be compressedinto the body of the shoe, substantially as shown and described.

2. A horseshoe-blank having a low swellor projection in the middle toform the toe-calk.

and higher projections at the ends from which to form the heelcalks, allsubstantially as shown and described.

3. A horseshoe-blank havinga central swell or projection from which thetoe-calk is to be formed, and edge ribs extending from this projectionin both directions, all substantially as and for the purpose set forth.

In testimony whereof Lhave signed my name to this specification in thepresence of two subscribing witnesses.

PETER F. GREENWOOD.

Witnesses:

WILLIAM D. CONNER, HENRY HowsoN.

